[INFO] cloning repository https://github.com/wavded/code-gen-prag
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wavded/code-gen-prag" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwavded%2Fcode-gen-prag", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwavded%2Fcode-gen-prag'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6dd1c7a028a948cde3a48ff1d01e010448dd433b
[INFO] checking wavded/code-gen-prag against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwavded%2Fcode-gen-prag" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wavded/code-gen-prag on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wavded/code-gen-prag
[INFO] finished tweaking git repo https://github.com/wavded/code-gen-prag
[INFO] tweaked toml for git repo https://github.com/wavded/code-gen-prag written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/wavded/code-gen-prag already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f004941a5f9f31304fea28cf60a3474d334b2b7f479ce5076c4183d9f53da8d9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f004941a5f9f31304fea28cf60a3474d334b2b7f479ce5076c4183d9f53da8d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f004941a5f9f31304fea28cf60a3474d334b2b7f479ce5076c4183d9f53da8d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f004941a5f9f31304fea28cf60a3474d334b2b7f479ce5076c4183d9f53da8d9", kill_on_drop: false }`
[INFO] [stdout] f004941a5f9f31304fea28cf60a3474d334b2b7f479ce5076c4183d9f53da8d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 385da7309f14197c0bb518389f1b453117fa9c490e3b27be2acdb3dd75e55497
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "385da7309f14197c0bb518389f1b453117fa9c490e3b27be2acdb3dd75e55497", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking backtrace-sys v0.1.16
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking code-gen-prag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:42:52
[INFO] [stdout]    |
[INFO] [stdout] 42 |             '#' => &format!("{}", generate_comment(line[2..], "javascript")),
[INFO] [stdout]    |                                                    ^^^^^^^^^
[INFO] [stdout]    |                                                    |
[INFO] [stdout]    |                                                    expected `&str`, found `str`
[INFO] [stdout]    |                                                    help: consider borrowing here: `&line[2..]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `code-gen-prag`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:42:52
[INFO] [stdout]    |
[INFO] [stdout] 42 |             '#' => &format!("{}", generate_comment(line[2..], "javascript")),
[INFO] [stdout]    |                                                    ^^^^^^^^^
[INFO] [stdout]    |                                                    |
[INFO] [stdout]    |                                                    expected `&str`, found `str`
[INFO] [stdout]    |                                                    help: consider borrowing here: `&line[2..]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "385da7309f14197c0bb518389f1b453117fa9c490e3b27be2acdb3dd75e55497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "385da7309f14197c0bb518389f1b453117fa9c490e3b27be2acdb3dd75e55497", kill_on_drop: false }`
[INFO] [stdout] 385da7309f14197c0bb518389f1b453117fa9c490e3b27be2acdb3dd75e55497